Explosion-proof signs are: EXDIGB, EXDIIBT4MB.
Applicable to underground fixed equipment in coal mines containing methane or coal dust (EXDIGB) or packaged mixtures containing Class I A, B Class T1-T4 Group (EXDIAT4MB, EXDIIBT4MB) flammable gas or vapor and air It is used as general power equipment on the equipment in the site.
Rated frequency
Rated voltage
low temperature
YBX3 series explosion- 0o three-phase asynchronous motor(Frame range 63-355)is produced according to the following require-mentB38361-2010THE explosive envionment pa one the neal eauiment of the eaupment GB38362-2010(The explosive en-vironment part two: theequipment of exolosion-proof case to protect and MT451-2011 The genera sately specification of the coal mineexnlosion-nroot. ow-voltanethree-phase asynchronous motorl, The exdlosion mark is EXD1 GB.EXD BT4 MB. It's suitable to use thefixture which is in the mine include the methaneand core dustIEXD1 GB). or the equiomen,which is in the lace include the exlosvemxture the ivoe . ae A and B. fromt-14 (EXD1 AT4 MB. EXD1 BT4Mbof the flammable gas or steam and the air, normally itsused in the power equipment.
Operation condition
Ambient temperature: -15℃ ~ 40℃ (factory environment)
Altitude: Less than 1.000 meters.
Rated voltage: 380V, 660V (Suitable for 4KW or above motor only)
Rated frequency: 50Hz
Connection method: The rated power of 3kw or less is Y-connected, Rated power 4kw or above for A .Y or A Y connection.
Note: According to customer requirements, brake voltage and motor voltage (110V-460V) AC 50/60Hz
Specifications of lgnition Group for Flameproof Motors
GB3836.1、IEC60079-0、EN50014 | |
Ignition group | Ignition temperature℃ |
T1 | 450 |
T2 | 300 |
T3 | 200 |
T4 | 135 |
T5 | 100 |
T6 | 85 |
Specifications of lgnition Group for Flameproof Motors
Location | Code of tandard | ||
GB3836.1-IEC60079-1 | |||
Flameproof class | |||
For Mines | KB | d | dI |
For other Industeries | B1 | dIlA | dIlA |
B5 | dIlA | dIlA | |
B3 | dIlB | dIlB | |
B4 | dIlC | dIlC |
To show the group of enclosures suitable for a particularflammable gas or vapour and its classification
Group of enclosure | Group according to the natural temperature (° C) of the explosive mixture | ||||
T1 | T2 | T3 | T4 | T5 | |
Flammable gas or vapour | |||||
l | Methane | Butyl alcohol Acetic anhydride | Cyclohexane | ||
llA | Ethane Propane Styrene Benzene Chlorobenzene Carbon monoxide | Butane Ethanol n-Butul acetate Amyl acetate Vinyl acetate Ethyl acetate | Pentane Hexane Hydeosulxide | Ether Acetaldeh yde Gasoline | |
llB | Hydrogen cyanid Coal gas | Ethyene Butadiene 1,4-dioxan | Isoprene Dimethylenther Butenal Ethanethiol | Ethylene methyl ether Ethyl oxide Butyl oxide Tetrafluoroethylene | |
llC | Water gas | Acetylene | Carbon disulfid |